The young man Tikhon felt uncomfortable among his peers. And when he was suddenly asked to disappear, leave the familiar world and take part in a war with an alien race of show jumpers hostile to people, he easily agreed. After all, he had to remotely control a mighty tank fighting on a distant planet, many light years from the base - a lot of impressions and no risk, just an exciting computer game! And how nice it is to forget about all your complexes, merging into one with a multi-ton, heavily armed machine that easily obeys the slightest impulses of your consciousness! But it turns out that this game is not entirely safe, that once you transfer your psychomatrix to the command block of the tank, you will no longer be able to return back to your body...